P0415

2017-10-10

Description:

  • The fault code P0415 indicates that there is a malfunction in the secondary air injection system switching valve B circuit. This may cause reduced engine performance and increased emissions.

Possible Symptoms:

  • Illuminated check engine light

  • Reduced engine performance

  • Increased emissions

Possible Causes:

  • Failed secondary air injection system switching valve B

  • Faulty wiring or connections in the circuit

  • Loose or corroded electrical connections

  • Failed engine control module (ECM)

Related Parts:

  • Exhaust Pipe Air Injection: Air is injected into the exhaust gases for better combustion of unburnt fuel and pollutants. This allows better exhaust emission. Problems lead to harmful emissions out of limit

Possible Solutions:

  • Replace the secondary air injection system switching valve B

  • Check and repair any damaged wiring or connections

  • Tighten or clean any loose or corroded electrical connections

  • Replace the engine control module (ECM) if necessary

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